Good post. Sounds a lot easier on the 3.5L versus the 3.8L.
Here's a good procedure for '98 Intrigues or any GM "W" body with the Series II 3800:
http://mykidz.net/GTP/CrankPosSensor.shtml
The CKPS case learn is recommended for optimum performance but not necessary. The problem is you're stuck with a GM dealer with a Tech II machine. The local dealer wanted $80 for what amounts to a one minute procedure.